Is it possible to detect that whether any modal dialog box is open over main window?

Is it possible to detect that whether any modal d开发者_如何学Goialog box is open over main window? If yes then how?

I am using Qt, Mac, Carbon.

Thanks Rahul

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GetFrontWindowOfClass( kModalWindowClass, true ); should give you the answer you are looking for.

Unless something strange (i.e. buggy) is going on, a modal windows, by definition, will be higher then the main window.